1. Prenatal Diagnosis Center; Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine; Shanghai China
2. Department of Genetics; Shanghai Institute of Pediatric Research; Shanghai China
3. Department of Pediatric Neurology; Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine; Shanghai China
4. Department of Obstetrics; Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine; Shanghai China